Merge pull request solariumphp#480 from solariumphp/develop

Merge develop to master for new release

Merge pull request solariumphp#477 from solariumphp/develop

Merging develop to master for new release

Merge pull request solariumphp#456 from solariumphp/develop

Creating new release

Merge pull request solariumphp#418 from solariumphp/develop

Merging develop to master for new release

Merge pull request solariumphp#384 from basdenooijer/fix-bc-break

Fix BC break in 3.5.0 release

Merge pull request solariumphp#380 from solariumphp/develop

Merging develop to master for new release

Merge pull request solariumphp#341 from basdenooijer/master

Fix curl headers for solr > 5

Merge pull request solariumphp#339 from solariumphp/develop

Merging develop into master

Removed pecl_http for PHP5.3 and allow failures for 5.3 (since it's E…

…OL anyway)

Merge pull request solariumphp#206 from basdenooijer/master

Update develop with latest commits in master